A30-TAS_US-EN

7/8

DRILLING | T-A® Replaceable Insert Drilling System

GEN2 T-A® Drill Inserts 7 Series | HSS | Diameter Range: 3.508" - 4.000" (89.10 mm - 101.60 mm)

A

T 1

D 1

DRILLING

144°

B

HSS Inserts - Super Cobalt | HSS

Insert

Super Cobalt Part No.

HSS Part No.

BORING

Fractional Equivalent

D 1 inch 3.5313 3.5433 3.5625 3.5938 3.6221 3.6250 3.6563 3.6875 3.7008 3.7188 3.7500 3.7795 3.7813 3.8125 3.8438 3.8583 3.8750 3.9063 3.9370 3.9375 3.9688 4.0000

D 1 mm

AM200®

TiN

T 1

457H-0317

437T-0317

3-17/32

89.69 90.00 90.49 91.28 92.00 92.08 92.87 93.66 94.00 94.46 95.25 96.00 96.04 96.84 97.63 98.00 98.43 99.22

7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16 7/16

457H-90

437T-90

-

457H-0318 457H-0319

437T-0318 437T-0319

3-9/16 3-19/32

C

457H-92

437T-92

-

457H-0320 457H-0321 457H-0322

437T-0320 437T-0321 437T-0322

3-5/8

3-21/32 3-11/16

REAMING

457H-94

437T-94

-

457H-0323 457H-0324

437T-0323 437T-0324

3-23/32

3-3/4

457H-96

437T-96

-

457H-0325 457H-0326 457H-0327 457H-0328 457H-0329 457H-100 457H-0330 457H-0331 457H-0400 457H-98

437T-0325 437T-0326 437T-0327 437T-0328 437T-0329 437T-100 437T-0330 437T-0331 437T-0400 437T-98

3-25/32 3-13/16 3-27/32

-

D

3-7/8

3-29/32

BURNISHING

-

100.00 100.01 100.81 101.60

3-15/16 3-31/32

4

E

THREADING

X

Inserts sold in quantities of 1

A30: 112 - 143 A30: 106 - 108

A30: 4 - 6

SPECIALS

Coatings not listed above can be supplied as non-stocked standards. Process fees apply.

Key on A30: 1

TiN = 457T-XXXX

TiAlN = 457A-XXXX

HI, HR, CR, SK, BR, NC, WC

TiCN = 457N-XXXX

AM200 ® = 457H-XXXX

A30: 102

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